(PHP 5 >= 5.2.2, PHP 7)
SplObjectStorage::serialize — Serializes the storage
Returns a string representation of the storage.
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A string representing the storage.
Example #1 SplObjectStorage::serialize() example
<?php
$s = new SplObjectStorage;
$o = new StdClass;
$s[$o] = "data";
echo $s->serialize()."\n";
?>
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x:i:1;O:8:"stdClass":0:{},s:4:"data";;m:a:0:{}